Genuine Worcester Bosch Refurbished Expansion Vessel
Suitable for selected Worcester Greenstar ERP 25i & 30i boilers.
Part: Boiler Expansion Vessel
Brand: Worcester Bosch
Part Number: 8716117023
Condition: Refurbished
Professionally inspected and checked before dispatch
Supplied as shown in the listing photos
Worcester Greenstar 25i ERP
Worcester Greenstar 30i ERP
Please always check the part number and your boiler model before ordering.
This is a refurbished genuine boiler part, so it may show some cosmetic signs of previous use, such as light marks or scratches. These do not affect the operation of the part.
The item is inspected and tested before dispatch.
Please send us your:
Boiler model
Boiler GC number
Existing part number
Clear photo of your old part
We will do our best to help confirm compatibility before you order.
Fast UK Dispatch
Orders placed before 12:00 PM Monday–Friday are normally dispatched the same working day.
Tracking information will be provided once your order has been dispatched.
Highlands, Islands, Northern Ireland and some remote/offshore UK locations may incur an additional delivery charge. Please contact us before ordering if you are unsure.
Courier delivery dates are estimates. Please do not book an engineer until you have received and checked the part.
We offer 30-day returns.
Please contact us before returning an item.
The item must be returned in the same condition as supplied.
All security markings must remain intact.
Items that have been dismantled, modified or tampered with may not be accepted for return.
Please package the item securely for return.
If the correct item was supplied but was ordered incorrectly or is no longer required, the buyer is responsible for return postage.
A deduction may be made if the item is returned used, damaged or in a different condition from when supplied.
If you believe there is a problem with the part, please contact us first so we can help resolve the issue.
12-Month Replacement Warranty
The warranty applies to the part only and does not cover:
Labour charges
Engineer call-out charges
Installation costs
Consequential losses
Incorrect fitting
Damage caused by another boiler/system fault
Misuse or tampering
Boiler parts should be diagnosed and installed by a suitably qualified Gas Safe registered engineer where required.
Please ensure the original boiler fault has been correctly diagnosed before replacing the component.
Buy with confidence – genuine refurbished Worcester Bosch boiler part, checked before dispatch and backed by our replacement warranty.